外研社八年级 比较级 最高级

一．形容词和副词比较级和最高级的变化方法形容词比较级最高级的规则几个不规则的形容词和副词的比较级和最高级如下表：注意：有些形容词，如 dead, empty, round, sure, woolen 等受本身含义的限制，没有比较级。

副词比较级最高级的规则和形容词一样，副词也有原级、比较级、最高级.规则变化：1. 单音节词，加er，est（1）副词和形容词同形，单音节，在词尾加erfast –，hard –，loud—（2）以字母“e”结尾的副词，加”r””st”late ---（3以辅音字母y结尾的副词，先变i,再加er estearly –2.双音节和多音节词，前面加more mostaccurately—，carefully –gracefully –，politely--三．形容词副词比较级最高级的其他用法（1）和冠词连用the ＋形容词原级＋v(复)，指一类人或物the ＋形容词比较级，指两者中“较…的”的那一个，eg. the younger of the twoa/ an ＋形容词比较级eg. The pen is expensive. I want a cheaper one.( a) ＋most＋形容词最高级“非常…”eg. a most beautiful city( 2 ) 相关结构1)原级比较：肯定句as….as…., 否定句not so / as….as…..2)比较句：比较级＋than….或more (less) ….than…..The furniture in this shop is less beautiful than that in that shop.(注意代词that的用法)3)比较级＋and＋比较级或more and more＋比较级“越来越… ”richer and richer, more and more interesting4)The more….., the more…..“越…，越…”The more you look at the picture, the better you will like it.5) 比较级＋than any other ＋n. （单）（适用于范围一致时）(all) other ＋n.（复）any ＋n.(单) （适用于范围不一致时）He is taller than any other student / all other students in his class.any student in my class.6) 倍数表达法。

A is three(four, etc.)times the size(height, length etc.)of B.A is three(four, etc.)times as big(high, long, etc.)as B.A is three (four, etc.)times bigger(higher, longer, etc.)than B.用times 表倍数通常用于三倍以上，两倍可以用twice或double.Eg: The new building is four times the size (the height)of the old one.这座新楼比那座旧楼大三倍（高三倍）。

Asia is four times as large as Europe.亚洲比欧洲大三倍。

Your school is three times bigger than ours.你们的学校比我们的学校大三倍。

选择最佳答案填空：1 Don't worry, sir. I'm sure I can run _________ to catch up with them.A. slowly enoughB. enough slowlyC. fast enoughD. enough fast2. The text is very easy for you. There are ________ new words in it.A. a fewB. a littleC. fewD. little3. It's such an ________ film that all the students are ______ in it.A. interesting; interestedB. interested; interestingC. interesting; interestingD. interested; interested; interested4. Mingming got up very _______,so he came to school half an hour ______.A. late; latelyB. lately; lateC. lately; latelyD. late; late5. I am ________ worried about y parents' healthy conditions.A. some timesB. sometimeC. sometimesD. some times6. We don't have ________ every day.A. a lot of school worksB. many school workC. any school worksD. much school work7. -Look! How fast the two horses are running!--Oh, yes! They are nearly _______.A. up and downB. slower and slowerC. more or lessD. neck and neck8. ______ children there are in family,_______ their life will be.A. The less; the betterB. The fewer; the betterC. Fewer; richerD. More; poorer9. Most of the people in Guangdong are getting ________.A. more and more richB. more rich and more richC. richer and richerD. richer and richest10. Which lesson is _______, this one or that one?A. difficultB. much difficultC. more difficultD. the most difficult11. "A ______ accident happened at 7:30 a.m." said the policeman _______.A. serious, seriousB. seriously, seriouslyC. seriously, seriousD. serious, seriously12. ________ is it from our school to Lupu Bridge?A. How longB. How oftenC. How farD. How much13. In our city, it is ______ in July, but it is even _______ in August.A. hotter; hottestB. hot; hotC. hotter; hotD. hot; hotter14. This pencil is ______ that one.A. so long asB. as longer asC. longer thanD. not as longest as15. The station is two kilometers _______ the hospital.A. away toB. far awayC. far fromD. away from16. Beijing has ______ many buses that there is often a traffic jam in rush hours.A. soB. veryC. tooD. much17. This box is ______ heavy ________ I can't carry it.A. too, toB. so, thatC. very, thatD. too, that18. India has the second _______ population in the world.A. largerB. mostC. smallestD. largest19. Mary received ________ many postcards at Christmas.A. soB. suchC. tooD. even20. The cake smells ______. Please throw it away.A. goodB. badlyC. badD. well21. --- What was the weather like yesterday?--- It was terrible. It rained so ________ that people could _______ go out.A. hardly…hardB. hardly… hardlyC. hard… hardlyD. hard… hard22. The meeting will be held in half an hour, but they haven't got everything ready_____.A. everB. alreadyC. yetD. still23. --- What about the English novel?--- It's not very difficult. There are only ________ new words in it.A. fewB. a fewC. manyD. a little24. How beautiful she sings! I've never heard ________.A. the better voiceB. a good voiceC. the best voiceD. a better voice25. Mr Smith always has ________ to tell us.A. some good pieces of newsB. some pieces of good newsC.some good piece of newsD. some piece of good new26. I'm afraid the headmaster is _________ busy to meet the visitors.A. too muchB. much tooC. so muchD. very much27. - Dad , when will you be free? You agreed to go to the seaside with me four days ago.-- I am sorry, Jean. But I think I will have a ______ holiday soon.A. four-daysB. four-dayC. four daysD. four day28. The scenery in Sanya looks ________, especially "Tian Ya Hai Jiao" is ________.A, well, best B. fine, the most famous C. nice, better D. beautifully, the best29. What a _______ day it is! Let's go out for a walk.A. windyB. lovelyC. rainyD.cloudy30. Of the two Australian students , Masha is ________ one. I think you can find her easily.A, tallest B, the taller C. taller D. the tallest31. He has ________ friends than I.A. much moreB. many moreC. very moreD. too more32. Which is the _________ country, Japan or Australia?A. more developedB. more developingC. most developedD. most developing 33． There were _______ shops in the city in 1982 than in 1990.A. littleB. fewC. fewerD. less34. If you are not free today, come another day __________.A. tooB. soC. insteadD. yet35．He can't tell us ________, I think.A. important anythingB. anything importantC. important somethingD. something important.36. The Huang River is the second __________ river in our country.A. longB. longerC. longestD. the longest37. The light in the office wasn't ________for him to read.A. enough brightB. bright enoughC. brightlyD. enough brightly38. There was an accident at the corner. ________, the girl wasn't _________hurt.A. luckily, badlyB. luck, hardlyC. Lucky, heavilyD. Lucky, strongly39. You must keep your eyes _________ when you do eye exercises.A. closeB. openC. closedD., opened。